// 
@progress-prefix: ~"@{prefix}progress";

.@{progress-prefix} {
    display: inline-block;
    width: 100%;
    height: 8px;
    background: #e9e9e9;
    position: relative;
    border-radius: 4px;
}
.@{progress-prefix} .value {
    background: @colorGreen;
    position: absolute;
    top: 0px;
    left: 0px;
    bottom: 0px;
    border-radius: 4px;
    transition: 200ms;
}
.@{progress-prefix}.warning .value {
    background: @colorYellow;
}
.@{progress-prefix}.error .value {
    background: @colorRed;
}